A privacy screen shields a deceased person from view as Fresno Police CSI members and a detective, left, gather at the scene in front of an apartment where two people and a dog were shot to death, Friday afternoon on Marks Avenue. JOHN WALKERjwalker@fresnobee.com

A privacy screen shields a deceased person from view as Fresno Police CSI members and a detective, left, gather at the scene in front of an apartment where two people and a dog were shot to death, Friday afternoon on Marks Avenue. JOHN WALKERjwalker@fresnobee.com

Mother, son killed at Fresno apartment complex died of stab wounds, police say

A man and his mother killed at a Fresno apartment complex died of stab wounds, police said Friday night.

Matthew Keller, 29, was found bleeding from his head when police arrived shortly after 9:30 a.m. at a grass strip outside a unit at the Casas Blancas Apartments on Marks Avenue between Clinton and McKinley avenues west of Highway 99.

Police initially did not release the cause of death but later confirmed he was found with stab wounds on his upper body and that he died at the scene.

Inside the apartment, Keller’s mother, Joanne, 48, also was found with stab wounds. She also died at the scene.

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